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1/*
2 * arch/arm/include/asm/mach/arch.h
3 *
4 * Copyright (C) 2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/types.h>
12
13#ifndef __ASSEMBLY__
14#include <linux/reboot.h>
15
16struct tag;
17struct pt_regs;
18struct smp_operations;
19#ifdef CONFIG_SMP
20#define smp_ops(ops) (&(ops))
21#define smp_init_ops(ops) (&(ops))
22#else
23#define smp_ops(ops) (struct smp_operations *)NULL
24#define smp_init_ops(ops) (bool (*)(void))NULL
25#endif
26
27struct machine_desc {
28 unsigned int nr; /* architecture number */
29 const char *name; /* architecture name */
30 unsigned long atag_offset; /* tagged list (relative) */
31 const char *const *dt_compat; /* array of device tree
32 * 'compatible' strings */
33
34 unsigned int nr_irqs; /* number of IRQs */
35
36#ifdef CONFIG_ZONE_DMA
37 phys_addr_t dma_zone_size; /* size of DMA-able area */
38#endif
39
40 unsigned int video_start; /* start of video RAM */
41 unsigned int video_end; /* end of video RAM */
42
43 unsigned char reserve_lp0 :1; /* never has lp0 */
44 unsigned char reserve_lp1 :1; /* never has lp1 */
45 unsigned char reserve_lp2 :1; /* never has lp2 */
46 enum reboot_mode reboot_mode; /* default restart mode */
47 unsigned l2c_aux_val; /* L2 cache aux value */
48 unsigned l2c_aux_mask; /* L2 cache aux mask */
49 void (*l2c_write_sec)(unsigned long, unsigned);
50 const struct smp_operations *smp; /* SMP operations */
51 bool (*smp_init)(void);
52 void (*fixup)(struct tag *, char **);
53 void (*dt_fixup)(void);
54 long long (*pv_fixup)(void);
55 void (*reserve)(void);/* reserve mem blocks */
56 void (*map_io)(void);/* IO mapping function */
57 void (*init_early)(void);
58 void (*init_irq)(void);
59 void (*init_time)(void);
60 void (*init_machine)(void);
61 void (*init_late)(void);
62#ifdef CONFIG_MULTI_IRQ_HANDLER
63 void (*handle_irq)(struct pt_regs *);
64#endif
65 void (*restart)(enum reboot_mode, const char *);
66};
67
68/*
69 * Current machine - only accessible during boot.
70 */
71extern const struct machine_desc *machine_desc;
72
73/*
74 * Machine type table - also only accessible during boot
75 */
76extern const struct machine_desc __arch_info_begin[], __arch_info_end[];
77#define for_each_machine_desc(p) \
78 for (p = __arch_info_begin; p < __arch_info_end; p++)
79
80/*
81 * Set of macros to define architecture features. This is built into
82 * a table by the linker.
83 */
84#define MACHINE_START(_type,_name) \
85static const struct machine_desc __mach_desc_##_type \
86 __used \
87 __attribute__((__section__(".arch.info.init"))) = { \
88 .nr = MACH_TYPE_##_type, \
89 .name = _name,
90
91#define MACHINE_END \
92};
93
94#define DT_MACHINE_START(_name, _namestr) \
95static const struct machine_desc __mach_desc_##_name \
96 __used \
97 __attribute__((__section__(".arch.info.init"))) = { \
98 .nr = ~0, \
99 .name = _namestr,
100
101#endif
1/*
2 * arch/arm/include/asm/mach/arch.h
3 *
4 * Copyright (C) 2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/types.h>
12
13#ifndef __ASSEMBLY__
14#include <linux/reboot.h>
15
16struct tag;
17struct meminfo;
18struct pt_regs;
19struct smp_operations;
20#ifdef CONFIG_SMP
21#define smp_ops(ops) (&(ops))
22#define smp_init_ops(ops) (&(ops))
23#else
24#define smp_ops(ops) (struct smp_operations *)NULL
25#define smp_init_ops(ops) (bool (*)(void))NULL
26#endif
27
28struct machine_desc {
29 unsigned int nr; /* architecture number */
30 const char *name; /* architecture name */
31 unsigned long atag_offset; /* tagged list (relative) */
32 const char *const *dt_compat; /* array of device tree
33 * 'compatible' strings */
34
35 unsigned int nr_irqs; /* number of IRQs */
36
37#ifdef CONFIG_ZONE_DMA
38 phys_addr_t dma_zone_size; /* size of DMA-able area */
39#endif
40
41 unsigned int video_start; /* start of video RAM */
42 unsigned int video_end; /* end of video RAM */
43
44 unsigned char reserve_lp0 :1; /* never has lp0 */
45 unsigned char reserve_lp1 :1; /* never has lp1 */
46 unsigned char reserve_lp2 :1; /* never has lp2 */
47 enum reboot_mode reboot_mode; /* default restart mode */
48 struct smp_operations *smp; /* SMP operations */
49 bool (*smp_init)(void);
50 void (*fixup)(struct tag *, char **,
51 struct meminfo *);
52 void (*init_meminfo)(void);
53 void (*reserve)(void);/* reserve mem blocks */
54 void (*map_io)(void);/* IO mapping function */
55 void (*init_early)(void);
56 void (*init_irq)(void);
57 void (*init_time)(void);
58 void (*init_machine)(void);
59 void (*init_late)(void);
60#ifdef CONFIG_MULTI_IRQ_HANDLER
61 void (*handle_irq)(struct pt_regs *);
62#endif
63 void (*restart)(enum reboot_mode, const char *);
64};
65
66/*
67 * Current machine - only accessible during boot.
68 */
69extern const struct machine_desc *machine_desc;
70
71/*
72 * Machine type table - also only accessible during boot
73 */
74extern const struct machine_desc __arch_info_begin[], __arch_info_end[];
75#define for_each_machine_desc(p) \
76 for (p = __arch_info_begin; p < __arch_info_end; p++)
77
78/*
79 * Set of macros to define architecture features. This is built into
80 * a table by the linker.
81 */
82#define MACHINE_START(_type,_name) \
83static const struct machine_desc __mach_desc_##_type \
84 __used \
85 __attribute__((__section__(".arch.info.init"))) = { \
86 .nr = MACH_TYPE_##_type, \
87 .name = _name,
88
89#define MACHINE_END \
90};
91
92#define DT_MACHINE_START(_name, _namestr) \
93static const struct machine_desc __mach_desc_##_name \
94 __used \
95 __attribute__((__section__(".arch.info.init"))) = { \
96 .nr = ~0, \
97 .name = _namestr,
98
99#endif